802 lines
24 KiB
C
802 lines
24 KiB
C
/*
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* QTest testcase for VirtIO Block Device
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*
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* Copyright (c) 2014 SUSE LINUX Products GmbH
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* Copyright (c) 2014 Marc Marí
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#include "qemu/osdep.h"
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#include "libqtest-single.h"
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#include "qemu/bswap.h"
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#include "qemu/module.h"
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#include "standard-headers/linux/virtio_blk.h"
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#include "standard-headers/linux/virtio_pci.h"
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#include "libqos/qgraph.h"
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#include "libqos/virtio-blk.h"
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/* TODO actually test the results and get rid of this */
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#define qmp_discard_response(...) qobject_unref(qmp(__VA_ARGS__))
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#define TEST_IMAGE_SIZE (64 * 1024 * 1024)
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#define QVIRTIO_BLK_TIMEOUT_US (30 * 1000 * 1000)
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#define PCI_SLOT_HP 0x06
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typedef struct QVirtioBlkReq {
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uint32_t type;
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uint32_t ioprio;
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uint64_t sector;
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char *data;
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uint8_t status;
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} QVirtioBlkReq;
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#ifdef HOST_WORDS_BIGENDIAN
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const bool host_is_big_endian = true;
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#else
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const bool host_is_big_endian; /* false */
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#endif
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static void drive_destroy(void *path)
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{
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unlink(path);
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g_free(path);
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qos_invalidate_command_line();
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}
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static char *drive_create(void)
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{
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int fd, ret;
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char *t_path = g_strdup("/tmp/qtest.XXXXXX");
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/* Create a temporary raw image */
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fd = mkstemp(t_path);
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g_assert_cmpint(fd, >=, 0);
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ret = ftruncate(fd, TEST_IMAGE_SIZE);
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g_assert_cmpint(ret, ==, 0);
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close(fd);
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g_test_queue_destroy(drive_destroy, t_path);
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return t_path;
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}
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static inline void virtio_blk_fix_request(QVirtioDevice *d, QVirtioBlkReq *req)
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{
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if (qvirtio_is_big_endian(d) != host_is_big_endian) {
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req->type = bswap32(req->type);
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req->ioprio = bswap32(req->ioprio);
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req->sector = bswap64(req->sector);
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}
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}
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static inline void virtio_blk_fix_dwz_hdr(QVirtioDevice *d,
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struct virtio_blk_discard_write_zeroes *dwz_hdr)
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{
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if (qvirtio_is_big_endian(d) != host_is_big_endian) {
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dwz_hdr->sector = bswap64(dwz_hdr->sector);
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dwz_hdr->num_sectors = bswap32(dwz_hdr->num_sectors);
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dwz_hdr->flags = bswap32(dwz_hdr->flags);
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}
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}
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static uint64_t virtio_blk_request(QGuestAllocator *alloc, QVirtioDevice *d,
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QVirtioBlkReq *req, uint64_t data_size)
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{
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uint64_t addr;
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uint8_t status = 0xFF;
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switch (req->type) {
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case VIRTIO_BLK_T_IN:
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case VIRTIO_BLK_T_OUT:
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g_assert_cmpuint(data_size % 512, ==, 0);
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break;
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case VIRTIO_BLK_T_DISCARD:
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case VIRTIO_BLK_T_WRITE_ZEROES:
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g_assert_cmpuint(data_size %
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sizeof(struct virtio_blk_discard_write_zeroes), ==, 0);
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break;
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default:
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g_assert_cmpuint(data_size, ==, 0);
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}
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addr = guest_alloc(alloc, sizeof(*req) + data_size);
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virtio_blk_fix_request(d, req);
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memwrite(addr, req, 16);
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memwrite(addr + 16, req->data, data_size);
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memwrite(addr + 16 + data_size, &status, sizeof(status));
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return addr;
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}
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/* Returns the request virtqueue so the caller can perform further tests */
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static QVirtQueue *test_basic(QVirtioDevice *dev, QGuestAllocator *alloc)
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{
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QVirtioBlkReq req;
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uint64_t req_addr;
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uint64_t capacity;
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uint64_t features;
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uint32_t free_head;
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uint8_t status;
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char *data;
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QTestState *qts = global_qtest;
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QVirtQueue *vq;
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features = qvirtio_get_features(dev);
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features = features & ~(QVIRTIO_F_BAD_FEATURE |
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(1u << VIRTIO_RING_F_INDIRECT_DESC) |
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(1u << VIRTIO_RING_F_EVENT_IDX) |
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(1u << VIRTIO_BLK_F_SCSI));
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qvirtio_set_features(dev, features);
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capacity = qvirtio_config_readq(dev, 0);
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g_assert_cmpint(capacity, ==, TEST_IMAGE_SIZE / 512);
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vq = qvirtqueue_setup(dev, alloc, 0);
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qvirtio_set_driver_ok(dev);
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/* Write and read with 3 descriptor layout */
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/* Write request */
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req.type = VIRTIO_BLK_T_OUT;
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req.ioprio = 1;
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req.sector = 0;
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req.data = g_malloc0(512);
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strcpy(req.data, "TEST");
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req_addr = virtio_blk_request(alloc, dev, &req, 512);
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g_free(req.data);
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free_head = qvirtqueue_add(qts, vq, req_addr, 16, false, true);
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qvirtqueue_add(qts, vq, req_addr + 16, 512, false, true);
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qvirtqueue_add(qts, vq, req_addr + 528, 1, true, false);
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qvirtqueue_kick(qts, dev, vq, free_head);
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qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL,
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QVIRTIO_BLK_TIMEOUT_US);
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status = readb(req_addr + 528);
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g_assert_cmpint(status, ==, 0);
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guest_free(alloc, req_addr);
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/* Read request */
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req.type = VIRTIO_BLK_T_IN;
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req.ioprio = 1;
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req.sector = 0;
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req.data = g_malloc0(512);
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req_addr = virtio_blk_request(alloc, dev, &req, 512);
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g_free(req.data);
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free_head = qvirtqueue_add(qts, vq, req_addr, 16, false, true);
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qvirtqueue_add(qts, vq, req_addr + 16, 512, true, true);
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qvirtqueue_add(qts, vq, req_addr + 528, 1, true, false);
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qvirtqueue_kick(qts, dev, vq, free_head);
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qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL,
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QVIRTIO_BLK_TIMEOUT_US);
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status = readb(req_addr + 528);
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g_assert_cmpint(status, ==, 0);
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data = g_malloc0(512);
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memread(req_addr + 16, data, 512);
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g_assert_cmpstr(data, ==, "TEST");
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g_free(data);
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guest_free(alloc, req_addr);
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if (features & (1u << VIRTIO_BLK_F_WRITE_ZEROES)) {
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struct virtio_blk_discard_write_zeroes dwz_hdr;
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void *expected;
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/*
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* WRITE_ZEROES request on the same sector of previous test where
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* we wrote "TEST".
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*/
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req.type = VIRTIO_BLK_T_WRITE_ZEROES;
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req.data = (char *) &dwz_hdr;
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dwz_hdr.sector = 0;
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dwz_hdr.num_sectors = 1;
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dwz_hdr.flags = 0;
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virtio_blk_fix_dwz_hdr(dev, &dwz_hdr);
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req_addr = virtio_blk_request(alloc, dev, &req, sizeof(dwz_hdr));
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free_head = qvirtqueue_add(qts, vq, req_addr, 16, false, true);
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qvirtqueue_add(qts, vq, req_addr + 16, sizeof(dwz_hdr), false, true);
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qvirtqueue_add(qts, vq, req_addr + 16 + sizeof(dwz_hdr), 1, true,
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false);
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qvirtqueue_kick(qts, dev, vq, free_head);
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qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL,
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QVIRTIO_BLK_TIMEOUT_US);
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status = readb(req_addr + 16 + sizeof(dwz_hdr));
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g_assert_cmpint(status, ==, 0);
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guest_free(alloc, req_addr);
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/* Read request to check if the sector contains all zeroes */
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req.type = VIRTIO_BLK_T_IN;
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req.ioprio = 1;
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req.sector = 0;
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req.data = g_malloc0(512);
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req_addr = virtio_blk_request(alloc, dev, &req, 512);
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g_free(req.data);
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free_head = qvirtqueue_add(qts, vq, req_addr, 16, false, true);
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qvirtqueue_add(qts, vq, req_addr + 16, 512, true, true);
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qvirtqueue_add(qts, vq, req_addr + 528, 1, true, false);
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qvirtqueue_kick(qts, dev, vq, free_head);
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qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL,
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QVIRTIO_BLK_TIMEOUT_US);
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status = readb(req_addr + 528);
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g_assert_cmpint(status, ==, 0);
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data = g_malloc(512);
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expected = g_malloc0(512);
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memread(req_addr + 16, data, 512);
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g_assert_cmpmem(data, 512, expected, 512);
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g_free(expected);
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g_free(data);
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guest_free(alloc, req_addr);
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}
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if (features & (1u << VIRTIO_BLK_F_DISCARD)) {
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struct virtio_blk_discard_write_zeroes dwz_hdr;
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req.type = VIRTIO_BLK_T_DISCARD;
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req.data = (char *) &dwz_hdr;
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dwz_hdr.sector = 0;
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dwz_hdr.num_sectors = 1;
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dwz_hdr.flags = 0;
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virtio_blk_fix_dwz_hdr(dev, &dwz_hdr);
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req_addr = virtio_blk_request(alloc, dev, &req, sizeof(dwz_hdr));
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free_head = qvirtqueue_add(qts, vq, req_addr, 16, false, true);
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qvirtqueue_add(qts, vq, req_addr + 16, sizeof(dwz_hdr), false, true);
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qvirtqueue_add(qts, vq, req_addr + 16 + sizeof(dwz_hdr), 1, true, false);
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qvirtqueue_kick(qts, dev, vq, free_head);
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qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL,
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QVIRTIO_BLK_TIMEOUT_US);
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status = readb(req_addr + 16 + sizeof(dwz_hdr));
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g_assert_cmpint(status, ==, 0);
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guest_free(alloc, req_addr);
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}
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if (features & (1u << VIRTIO_F_ANY_LAYOUT)) {
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/* Write and read with 2 descriptor layout */
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/* Write request */
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req.type = VIRTIO_BLK_T_OUT;
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req.ioprio = 1;
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req.sector = 1;
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req.data = g_malloc0(512);
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strcpy(req.data, "TEST");
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req_addr = virtio_blk_request(alloc, dev, &req, 512);
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g_free(req.data);
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free_head = qvirtqueue_add(qts, vq, req_addr, 528, false, true);
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qvirtqueue_add(qts, vq, req_addr + 528, 1, true, false);
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qvirtqueue_kick(qts, dev, vq, free_head);
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qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL,
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QVIRTIO_BLK_TIMEOUT_US);
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status = readb(req_addr + 528);
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g_assert_cmpint(status, ==, 0);
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guest_free(alloc, req_addr);
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/* Read request */
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req.type = VIRTIO_BLK_T_IN;
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req.ioprio = 1;
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req.sector = 1;
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req.data = g_malloc0(512);
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req_addr = virtio_blk_request(alloc, dev, &req, 512);
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g_free(req.data);
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free_head = qvirtqueue_add(qts, vq, req_addr, 16, false, true);
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qvirtqueue_add(qts, vq, req_addr + 16, 513, true, false);
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qvirtqueue_kick(qts, dev, vq, free_head);
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qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL,
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QVIRTIO_BLK_TIMEOUT_US);
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status = readb(req_addr + 528);
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g_assert_cmpint(status, ==, 0);
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data = g_malloc0(512);
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memread(req_addr + 16, data, 512);
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g_assert_cmpstr(data, ==, "TEST");
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g_free(data);
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guest_free(alloc, req_addr);
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}
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return vq;
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}
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static void basic(void *obj, void *data, QGuestAllocator *t_alloc)
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{
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QVirtioBlk *blk_if = obj;
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QVirtQueue *vq;
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vq = test_basic(blk_if->vdev, t_alloc);
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qvirtqueue_cleanup(blk_if->vdev->bus, vq, t_alloc);
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}
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static void indirect(void *obj, void *u_data, QGuestAllocator *t_alloc)
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{
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QVirtQueue *vq;
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QVirtioBlk *blk_if = obj;
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QVirtioDevice *dev = blk_if->vdev;
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QVirtioBlkReq req;
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QVRingIndirectDesc *indirect;
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uint64_t req_addr;
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uint64_t capacity;
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uint64_t features;
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uint32_t free_head;
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uint8_t status;
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char *data;
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QTestState *qts = global_qtest;
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features = qvirtio_get_features(dev);
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g_assert_cmphex(features & (1u << VIRTIO_RING_F_INDIRECT_DESC), !=, 0);
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features = features & ~(QVIRTIO_F_BAD_FEATURE |
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(1u << VIRTIO_RING_F_EVENT_IDX) |
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(1u << VIRTIO_BLK_F_SCSI));
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qvirtio_set_features(dev, features);
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capacity = qvirtio_config_readq(dev, 0);
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g_assert_cmpint(capacity, ==, TEST_IMAGE_SIZE / 512);
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vq = qvirtqueue_setup(dev, t_alloc, 0);
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qvirtio_set_driver_ok(dev);
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/* Write request */
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req.type = VIRTIO_BLK_T_OUT;
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req.ioprio = 1;
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req.sector = 0;
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req.data = g_malloc0(512);
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strcpy(req.data, "TEST");
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req_addr = virtio_blk_request(t_alloc, dev, &req, 512);
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g_free(req.data);
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indirect = qvring_indirect_desc_setup(qts, dev, t_alloc, 2);
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qvring_indirect_desc_add(dev, qts, indirect, req_addr, 528, false);
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qvring_indirect_desc_add(dev, qts, indirect, req_addr + 528, 1, true);
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free_head = qvirtqueue_add_indirect(qts, vq, indirect);
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qvirtqueue_kick(qts, dev, vq, free_head);
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qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL,
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QVIRTIO_BLK_TIMEOUT_US);
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status = readb(req_addr + 528);
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g_assert_cmpint(status, ==, 0);
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g_free(indirect);
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guest_free(t_alloc, req_addr);
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/* Read request */
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req.type = VIRTIO_BLK_T_IN;
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req.ioprio = 1;
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req.sector = 0;
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req.data = g_malloc0(512);
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strcpy(req.data, "TEST");
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req_addr = virtio_blk_request(t_alloc, dev, &req, 512);
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g_free(req.data);
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indirect = qvring_indirect_desc_setup(qts, dev, t_alloc, 2);
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qvring_indirect_desc_add(dev, qts, indirect, req_addr, 16, false);
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qvring_indirect_desc_add(dev, qts, indirect, req_addr + 16, 513, true);
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free_head = qvirtqueue_add_indirect(qts, vq, indirect);
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qvirtqueue_kick(qts, dev, vq, free_head);
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qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL,
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QVIRTIO_BLK_TIMEOUT_US);
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status = readb(req_addr + 528);
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g_assert_cmpint(status, ==, 0);
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data = g_malloc0(512);
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memread(req_addr + 16, data, 512);
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g_assert_cmpstr(data, ==, "TEST");
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g_free(data);
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g_free(indirect);
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guest_free(t_alloc, req_addr);
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qvirtqueue_cleanup(dev->bus, vq, t_alloc);
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}
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static void config(void *obj, void *data, QGuestAllocator *t_alloc)
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{
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QVirtioBlk *blk_if = obj;
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QVirtioDevice *dev = blk_if->vdev;
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int n_size = TEST_IMAGE_SIZE / 2;
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uint64_t features;
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uint64_t capacity;
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features = qvirtio_get_features(dev);
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features = features & ~(QVIRTIO_F_BAD_FEATURE |
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(1u << VIRTIO_RING_F_INDIRECT_DESC) |
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(1u << VIRTIO_RING_F_EVENT_IDX) |
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(1u << VIRTIO_BLK_F_SCSI));
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qvirtio_set_features(dev, features);
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capacity = qvirtio_config_readq(dev, 0);
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g_assert_cmpint(capacity, ==, TEST_IMAGE_SIZE / 512);
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qvirtio_set_driver_ok(dev);
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qmp_discard_response("{ 'execute': 'block_resize', "
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" 'arguments': { 'device': 'drive0', "
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" 'size': %d } }", n_size);
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qvirtio_wait_config_isr(dev, QVIRTIO_BLK_TIMEOUT_US);
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capacity = qvirtio_config_readq(dev, 0);
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g_assert_cmpint(capacity, ==, n_size / 512);
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}
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static void msix(void *obj, void *u_data, QGuestAllocator *t_alloc)
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{
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QVirtQueue *vq;
|
|
QVirtioBlkPCI *blk = obj;
|
|
QVirtioPCIDevice *pdev = &blk->pci_vdev;
|
|
QVirtioDevice *dev = &pdev->vdev;
|
|
QVirtioBlkReq req;
|
|
int n_size = TEST_IMAGE_SIZE / 2;
|
|
uint64_t req_addr;
|
|
uint64_t capacity;
|
|
uint64_t features;
|
|
uint32_t free_head;
|
|
uint8_t status;
|
|
char *data;
|
|
QOSGraphObject *blk_object = obj;
|
|
QPCIDevice *pci_dev = blk_object->get_driver(blk_object, "pci-device");
|
|
QTestState *qts = global_qtest;
|
|
|
|
if (qpci_check_buggy_msi(pci_dev)) {
|
|
return;
|
|
}
|
|
|
|
qpci_msix_enable(pdev->pdev);
|
|
qvirtio_pci_set_msix_configuration_vector(pdev, t_alloc, 0);
|
|
|
|
features = qvirtio_get_features(dev);
|
|
features = features & ~(QVIRTIO_F_BAD_FEATURE |
|
|
(1u << VIRTIO_RING_F_INDIRECT_DESC) |
|
|
(1u << VIRTIO_RING_F_EVENT_IDX) |
|
|
(1u << VIRTIO_BLK_F_SCSI));
|
|
qvirtio_set_features(dev, features);
|
|
|
|
capacity = qvirtio_config_readq(dev, 0);
|
|
g_assert_cmpint(capacity, ==, TEST_IMAGE_SIZE / 512);
|
|
|
|
vq = qvirtqueue_setup(dev, t_alloc, 0);
|
|
qvirtqueue_pci_msix_setup(pdev, (QVirtQueuePCI *)vq, t_alloc, 1);
|
|
|
|
qvirtio_set_driver_ok(dev);
|
|
|
|
qmp_discard_response("{ 'execute': 'block_resize', "
|
|
" 'arguments': { 'device': 'drive0', "
|
|
" 'size': %d } }", n_size);
|
|
|
|
qvirtio_wait_config_isr(dev, QVIRTIO_BLK_TIMEOUT_US);
|
|
|
|
capacity = qvirtio_config_readq(dev, 0);
|
|
g_assert_cmpint(capacity, ==, n_size / 512);
|
|
|
|
/* Write request */
|
|
req.type = VIRTIO_BLK_T_OUT;
|
|
req.ioprio = 1;
|
|
req.sector = 0;
|
|
req.data = g_malloc0(512);
|
|
strcpy(req.data, "TEST");
|
|
|
|
req_addr = virtio_blk_request(t_alloc, dev, &req, 512);
|
|
|
|
g_free(req.data);
|
|
|
|
free_head = qvirtqueue_add(qts, vq, req_addr, 16, false, true);
|
|
qvirtqueue_add(qts, vq, req_addr + 16, 512, false, true);
|
|
qvirtqueue_add(qts, vq, req_addr + 528, 1, true, false);
|
|
qvirtqueue_kick(qts, dev, vq, free_head);
|
|
|
|
qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL,
|
|
QVIRTIO_BLK_TIMEOUT_US);
|
|
|
|
status = readb(req_addr + 528);
|
|
g_assert_cmpint(status, ==, 0);
|
|
|
|
guest_free(t_alloc, req_addr);
|
|
|
|
/* Read request */
|
|
req.type = VIRTIO_BLK_T_IN;
|
|
req.ioprio = 1;
|
|
req.sector = 0;
|
|
req.data = g_malloc0(512);
|
|
|
|
req_addr = virtio_blk_request(t_alloc, dev, &req, 512);
|
|
|
|
g_free(req.data);
|
|
|
|
free_head = qvirtqueue_add(qts, vq, req_addr, 16, false, true);
|
|
qvirtqueue_add(qts, vq, req_addr + 16, 512, true, true);
|
|
qvirtqueue_add(qts, vq, req_addr + 528, 1, true, false);
|
|
|
|
qvirtqueue_kick(qts, dev, vq, free_head);
|
|
|
|
|
|
qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL,
|
|
QVIRTIO_BLK_TIMEOUT_US);
|
|
|
|
status = readb(req_addr + 528);
|
|
g_assert_cmpint(status, ==, 0);
|
|
|
|
data = g_malloc0(512);
|
|
memread(req_addr + 16, data, 512);
|
|
g_assert_cmpstr(data, ==, "TEST");
|
|
g_free(data);
|
|
|
|
guest_free(t_alloc, req_addr);
|
|
|
|
/* End test */
|
|
qpci_msix_disable(pdev->pdev);
|
|
qvirtqueue_cleanup(dev->bus, vq, t_alloc);
|
|
}
|
|
|
|
static void idx(void *obj, void *u_data, QGuestAllocator *t_alloc)
|
|
{
|
|
QVirtQueue *vq;
|
|
QVirtioBlkPCI *blk = obj;
|
|
QVirtioPCIDevice *pdev = &blk->pci_vdev;
|
|
QVirtioDevice *dev = &pdev->vdev;
|
|
QVirtioBlkReq req;
|
|
uint64_t req_addr;
|
|
uint64_t capacity;
|
|
uint64_t features;
|
|
uint32_t free_head;
|
|
uint32_t write_head;
|
|
uint32_t desc_idx;
|
|
uint8_t status;
|
|
char *data;
|
|
QOSGraphObject *blk_object = obj;
|
|
QPCIDevice *pci_dev = blk_object->get_driver(blk_object, "pci-device");
|
|
QTestState *qts = global_qtest;
|
|
|
|
if (qpci_check_buggy_msi(pci_dev)) {
|
|
return;
|
|
}
|
|
|
|
qpci_msix_enable(pdev->pdev);
|
|
qvirtio_pci_set_msix_configuration_vector(pdev, t_alloc, 0);
|
|
|
|
features = qvirtio_get_features(dev);
|
|
features = features & ~(QVIRTIO_F_BAD_FEATURE |
|
|
(1u << VIRTIO_RING_F_INDIRECT_DESC) |
|
|
(1u << VIRTIO_F_NOTIFY_ON_EMPTY) |
|
|
(1u << VIRTIO_BLK_F_SCSI));
|
|
qvirtio_set_features(dev, features);
|
|
|
|
capacity = qvirtio_config_readq(dev, 0);
|
|
g_assert_cmpint(capacity, ==, TEST_IMAGE_SIZE / 512);
|
|
|
|
vq = qvirtqueue_setup(dev, t_alloc, 0);
|
|
qvirtqueue_pci_msix_setup(pdev, (QVirtQueuePCI *)vq, t_alloc, 1);
|
|
|
|
qvirtio_set_driver_ok(dev);
|
|
|
|
/* Write request */
|
|
req.type = VIRTIO_BLK_T_OUT;
|
|
req.ioprio = 1;
|
|
req.sector = 0;
|
|
req.data = g_malloc0(512);
|
|
strcpy(req.data, "TEST");
|
|
|
|
req_addr = virtio_blk_request(t_alloc, dev, &req, 512);
|
|
|
|
g_free(req.data);
|
|
|
|
free_head = qvirtqueue_add(qts, vq, req_addr, 16, false, true);
|
|
qvirtqueue_add(qts, vq, req_addr + 16, 512, false, true);
|
|
qvirtqueue_add(qts, vq, req_addr + 528, 1, true, false);
|
|
qvirtqueue_kick(qts, dev, vq, free_head);
|
|
|
|
qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL,
|
|
QVIRTIO_BLK_TIMEOUT_US);
|
|
|
|
/* Write request */
|
|
req.type = VIRTIO_BLK_T_OUT;
|
|
req.ioprio = 1;
|
|
req.sector = 1;
|
|
req.data = g_malloc0(512);
|
|
strcpy(req.data, "TEST");
|
|
|
|
req_addr = virtio_blk_request(t_alloc, dev, &req, 512);
|
|
|
|
g_free(req.data);
|
|
|
|
/* Notify after processing the third request */
|
|
qvirtqueue_set_used_event(qts, vq, 2);
|
|
free_head = qvirtqueue_add(qts, vq, req_addr, 16, false, true);
|
|
qvirtqueue_add(qts, vq, req_addr + 16, 512, false, true);
|
|
qvirtqueue_add(qts, vq, req_addr + 528, 1, true, false);
|
|
qvirtqueue_kick(qts, dev, vq, free_head);
|
|
write_head = free_head;
|
|
|
|
/* No notification expected */
|
|
status = qvirtio_wait_status_byte_no_isr(qts, dev,
|
|
vq, req_addr + 528,
|
|
QVIRTIO_BLK_TIMEOUT_US);
|
|
g_assert_cmpint(status, ==, 0);
|
|
|
|
guest_free(t_alloc, req_addr);
|
|
|
|
/* Read request */
|
|
req.type = VIRTIO_BLK_T_IN;
|
|
req.ioprio = 1;
|
|
req.sector = 1;
|
|
req.data = g_malloc0(512);
|
|
|
|
req_addr = virtio_blk_request(t_alloc, dev, &req, 512);
|
|
|
|
g_free(req.data);
|
|
|
|
free_head = qvirtqueue_add(qts, vq, req_addr, 16, false, true);
|
|
qvirtqueue_add(qts, vq, req_addr + 16, 512, true, true);
|
|
qvirtqueue_add(qts, vq, req_addr + 528, 1, true, false);
|
|
|
|
qvirtqueue_kick(qts, dev, vq, free_head);
|
|
|
|
/* We get just one notification for both requests */
|
|
qvirtio_wait_used_elem(qts, dev, vq, write_head, NULL,
|
|
QVIRTIO_BLK_TIMEOUT_US);
|
|
g_assert(qvirtqueue_get_buf(qts, vq, &desc_idx, NULL));
|
|
g_assert_cmpint(desc_idx, ==, free_head);
|
|
|
|
status = readb(req_addr + 528);
|
|
g_assert_cmpint(status, ==, 0);
|
|
|
|
data = g_malloc0(512);
|
|
memread(req_addr + 16, data, 512);
|
|
g_assert_cmpstr(data, ==, "TEST");
|
|
g_free(data);
|
|
|
|
guest_free(t_alloc, req_addr);
|
|
|
|
/* End test */
|
|
qpci_msix_disable(pdev->pdev);
|
|
|
|
qvirtqueue_cleanup(dev->bus, vq, t_alloc);
|
|
}
|
|
|
|
static void pci_hotplug(void *obj, void *data, QGuestAllocator *t_alloc)
|
|
{
|
|
QVirtioPCIDevice *dev1 = obj;
|
|
QVirtioPCIDevice *dev;
|
|
QTestState *qts = dev1->pdev->bus->qts;
|
|
|
|
/* plug secondary disk */
|
|
qtest_qmp_device_add(qts, "virtio-blk-pci", "drv1",
|
|
"{'addr': %s, 'drive': 'drive1'}",
|
|
stringify(PCI_SLOT_HP) ".0");
|
|
|
|
dev = virtio_pci_new(dev1->pdev->bus,
|
|
&(QPCIAddress) { .devfn = QPCI_DEVFN(PCI_SLOT_HP, 0) });
|
|
g_assert_nonnull(dev);
|
|
g_assert_cmpint(dev->vdev.device_type, ==, VIRTIO_ID_BLOCK);
|
|
qvirtio_pci_device_disable(dev);
|
|
qos_object_destroy((QOSGraphObject *)dev);
|
|
|
|
/* unplug secondary disk */
|
|
qpci_unplug_acpi_device_test(qts, "drv1", PCI_SLOT_HP);
|
|
}
|
|
|
|
/*
|
|
* Check that setting the vring addr on a non-existent virtqueue does
|
|
* not crash.
|
|
*/
|
|
static void test_nonexistent_virtqueue(void *obj, void *data,
|
|
QGuestAllocator *t_alloc)
|
|
{
|
|
QVirtioBlkPCI *blk = obj;
|
|
QVirtioPCIDevice *pdev = &blk->pci_vdev;
|
|
QPCIBar bar0;
|
|
QPCIDevice *dev;
|
|
|
|
dev = qpci_device_find(pdev->pdev->bus, QPCI_DEVFN(4, 0));
|
|
g_assert(dev != NULL);
|
|
qpci_device_enable(dev);
|
|
|
|
bar0 = qpci_iomap(dev, 0, NULL);
|
|
|
|
qpci_io_writeb(dev, bar0, VIRTIO_PCI_QUEUE_SEL, 2);
|
|
qpci_io_writel(dev, bar0, VIRTIO_PCI_QUEUE_PFN, 1);
|
|
|
|
|
|
g_free(dev);
|
|
}
|
|
|
|
static void resize(void *obj, void *data, QGuestAllocator *t_alloc)
|
|
{
|
|
QVirtioBlk *blk_if = obj;
|
|
QVirtioDevice *dev = blk_if->vdev;
|
|
int n_size = TEST_IMAGE_SIZE / 2;
|
|
uint64_t capacity;
|
|
QVirtQueue *vq;
|
|
QTestState *qts = global_qtest;
|
|
|
|
vq = test_basic(dev, t_alloc);
|
|
|
|
qmp_discard_response("{ 'execute': 'block_resize', "
|
|
" 'arguments': { 'device': 'drive0', "
|
|
" 'size': %d } }", n_size);
|
|
|
|
qvirtio_wait_queue_isr(qts, dev, vq, QVIRTIO_BLK_TIMEOUT_US);
|
|
|
|
capacity = qvirtio_config_readq(dev, 0);
|
|
g_assert_cmpint(capacity, ==, n_size / 512);
|
|
|
|
qvirtqueue_cleanup(dev->bus, vq, t_alloc);
|
|
|
|
}
|
|
|
|
static void *virtio_blk_test_setup(GString *cmd_line, void *arg)
|
|
{
|
|
char *tmp_path = drive_create();
|
|
|
|
g_string_append_printf(cmd_line,
|
|
" -drive if=none,id=drive0,file=%s,"
|
|
"format=raw,auto-read-only=off "
|
|
"-drive if=none,id=drive1,file=null-co://,"
|
|
"file.read-zeroes=on,format=raw ",
|
|
tmp_path);
|
|
|
|
return arg;
|
|
}
|
|
|
|
static void register_virtio_blk_test(void)
|
|
{
|
|
QOSGraphTestOptions opts = {
|
|
.before = virtio_blk_test_setup,
|
|
};
|
|
|
|
qos_add_test("indirect", "virtio-blk", indirect, &opts);
|
|
qos_add_test("config", "virtio-blk", config, &opts);
|
|
qos_add_test("basic", "virtio-blk", basic, &opts);
|
|
qos_add_test("resize", "virtio-blk", resize, &opts);
|
|
|
|
/* tests just for virtio-blk-pci */
|
|
qos_add_test("msix", "virtio-blk-pci", msix, &opts);
|
|
qos_add_test("idx", "virtio-blk-pci", idx, &opts);
|
|
qos_add_test("nxvirtq", "virtio-blk-pci",
|
|
test_nonexistent_virtqueue, &opts);
|
|
qos_add_test("hotplug", "virtio-blk-pci", pci_hotplug, &opts);
|
|
}
|
|
|
|
libqos_init(register_virtio_blk_test);
|